The poop bus could actually improve air quality, as biomethane produces fewer emissions than regular diesel fuel does. In a press release, GENeco general manager Mohammed Saddiq said that the Bio-Bus “is actually powered by people living in the local area, including quite possibly those on the bus itself.”

Toilet humor aside, biomethane gas is a legitimate source of renewable energy. Governments should not constipate the efforts to introduce new forms of energy into public transit systems. There really should be poop buses on every street.

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